28898127

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{1811}}^1$

素因数の和:2020

約数の個数: 20

約数和(自身を含む): 43411896

約数和(自身を除く): 14513769

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 1811, 5319, 5433, 15957, 16299, 48897, 146691, 356767, 1070301, 3210903, 9632709, 28898127]

約数ペア:

[(1, 28898127), (3, 9632709), (9, 3210903), (27, 1070301), (81, 356767), (197, 146691), (591, 48897), (1773, 16299), (1811, 15957), (5319, 5433)]